Home / 15,651,009.80-23,476,514.70-7,147,953.80

Finding the Fourth Proportional to 15,651,009.80, 23,476,514.70 and 7,147,953.80

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Solution

The fourth proportional to 15,651,009.80, 23,476,514.70 and 7,147,953.80 is: 10,721,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651,009.80 : 23,476,514.70 = 7,147,953.80 : x
  2. Step 2: Convert to fraction form
    15,651,009.80/23,476,514.70 = 7,147,953.80/x
  3. Step 3: Cross multiply
    15,651,009.80x = 23,476,514.70 × 7,147,953.80
  4. Step 4: Simplify right side
    15,651,009.80x = 167,809,042,460,620.84
  5. Step 5: Solve for x
    x = 167,809,042,460,620.84/15,651,009.80
  6. Step 6: Final answer
    x = 10,721,930.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.